Sweaty Feet, Borax and Alcohol for

"Dissolve a tablespoonful of powdered borax in half a pint of diluted alcohol (half alcohol, half water) and rub the feet at night, You will find this a splendid remedy."

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter